题目内容
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Sleep helps your body to relax to such an extent ______.
A．that any rest can reach
B．that no rest can have the same effect
C．that you will never need any rest
D．that you will need the most quiet rest
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更多“Sleep helps your body to relax…”相关的问题
A.concern with the passage of time
B.expression of transient beauty
C.satire on laziness and corruptibility of human beings
D.idea about supernatural manipulation of man's life
Long bus rides are like television shows. They have a beginning，a middle，and an end—with commercials thrown in every three or four minutes. The commercials are unavoidable. They happen whether you want them or not. Every couple of minutes a billboard glides by outside the bus win dow. “Buy Super Clean Toothpaste. ”“Drink Root Beer. ” “Fill up with Pacific Gas. ” Only if you sleep, which is equal to turning the television set off, are you spared the unending cry of “You Need It! Buy It Now !，’The beginning of the ride is comfortable and somewhat exciting, even if you've traveled that way before. Usually some things have changed—new houses, new buildings, sometimes even a new road. (76) The bus driver has a style of driving and it ’ s fun to try to figure it out the first hour or so. If the driver is particularly reckless or daring, the ride can be as thrilling as a suspense story. Will the driver pass the truck in time？ Will the driver move into the right or the left-hand lane？ Af ter a while, of course, the excitement dies down. Sleeping for a while helps pass the middle hours of the ride. Food always makes bus rides more interesting. But you ’ ve got to be careful of what kind of food you eat. Too much salty food can make you very thirsty between stops.
The end of the ride is somewhat like the beginning. You know it will soon be over and there ’ s a kind of expectation and excitement in that. The seat, of course, has become harder as the hours have passed. (77) By now you ’ ve sat with your legs crossed，with your hands in your lap，with your hands on the armrests—even with your hands crossed behind your head. The end comes just at the right time. There are just no more ways to sit.
According to the passage, what do the passengers usually see when they are on a long bus trip？
A.Buses on the road.
B.Films on television.
C.Advertisements on the board.
D.Gas stations.
If you go to sleep on your back, what kind of person are you？
A．An open person.
B．Accept new things easily.
C．Like to make people sad.
D．Both A and B
A.number
B.amount
C.sum
D.quantity
There are four levels of sleep, each being a little deeper than the one before. As you sleep, your muscles relax little by little. Your heart beats more slowly, and your brain slows down. After you reach the fourth level, your body shifts back and forth from one level of sleep to the other.
Although your mind slows down, from time to time you will dream. Scientists who study sleep state that when dreaming occurs, your eyeballs begin to move more quickly. This stage of sleep is called REM, which stands for rapid eye movement.
If you have trouble falling asleep, some people recommend breathing very slowly and very deeply. Other people believe that drinking warm milk will help make you drowsy. There is also an old suggestion that counting sheep will put you to sleep!
A good title for this passage is ______.
A．Sleep
B．Good Health
C．Play and Study
D．Work and Rest
There are four levels of sleep, each being a little deeper than the one before. As you sleep, your muscles relax little by little. Your heart beats more slowly, and your brain slows down. After you reach the fourth level, your body shifts back and forth from one level of sleep to another. Although your mind slows down, from time to time you will dream. Scientists who study sleep state that when dreaming occurs, your eyeballs begin to move quickly (although your eye-lids are closed). This stage of sleep is called REM, which stands for rapid eye movement.
If you have trouble falling asleep, some people recommend breathing very slowly and very deeply. Other people believe that drinking warm milk will help make you drowsy. There is also an old suggestion that counting sheep will put you to sleep.
A good title for this passage is______.
A．Sleep
B．Good Health
C．Dreams
D．Work and Rest
—()
A.It's none of your business
B.I didn't sleep well last night
C.It doesn't matter
There is no creature that does not need sleep or complete rest every day.
If you want to know why, just try going without sleep for a long period of time. You will discover that your mind and body would become too tired to work properly. You would become irritable and find it hard to think clearly or concentrate on your work. So sleep is quite simply the time when the cells of your body recover from the work of the day and build up supplies of energy for the next period of activity.
One of the things we all know about sleep is that we are unconscious in sleep. We do not know what is going on around us. But that doesn't mean the body stops all activity. The important organs continue to work during sleep, but most of the body functions are slowed down.
For example, our breathing becomes slower and deeper. The heart beats more slowly, and the blood pressure is lower. Our arms and legs become limp(柔软的) and muscles are at rest. It would be impossible for our body to relax to such an extent if we were awake. So sleep does for us what the most quiet rest can not do.
Your body temperature becomes lower when you are asleep, which is the reason people go to sleep under some kind of covers. And even though you are unconscious, many of your reflexes(习惯性思维) still work. For instance, if someone tickles(使觉得痒) your foot, you will put it away in your sleep, or even brush a fly from your forehead. You do these things without knowing it.
If you don't have as much sleep as your body needs, you will ______.
A．work properly
B．think clearly
C．keep your attention on your work
D．easily get angry
完成下列各题 B
The human body naturally prevents attempt(企图)to lose or gain weight．Thus the best way to lower your weight is to do some exercise daily．Although scientists don’t agree exactly how this works to lower the“setpoint”，they do know that exercise helps your body work with you and not against you in at least the following ways： 1．Exercise burns calories(卡路里)：if you walk two miles every day，you use an extra 1400 calories a week—and lose about a pound in two weeks． 2．Exercise helps to bum fat and build muscle：since muscle requires more calories than fat does，the more muscle you have，the faster you will bum calories． 3．Finally exercise speeds up your metabolism(新陈代谢)，not just while you’re exercising，but for several hours after exercise ends． A program of light-to-moderate exercise done for only a half-hour a day is enough to keep your“setpoint”lowered，and thus helps you lose weight and keep it off．If you need to lose more than five pounds，combine regular exercise with a moderate reduction in calories until you reach your goal(目标)． Scientists don’t________．
A.think exercise helps peoples bodies work against them
B.agree exercise helps to lower peoples weight
C.bilieve in exercise at all
D.think exercise helps peoples bodies work with them
